INRPHAR1
O:69|T:2.5|I:1
BLOCK BLK2H
INRPHAR1_INR-1_BLK2H
GUID-5FAEFBEC-C27F-450F-8031-9B51ECEBEE72 V1 EN
Figure 17: Inrush detector function
Two negative-sequence overcurrent protection stages NSPTOC1_46-1 and
NSPTOC2_46-2 are provided for phase unbalance protection. These functions are used to
protect the feeder against phase unbalance.
NSPTOC1
O:24|T:5|I:1
BLOCK
ENA_MULT
TRIP
PICKUP
NSPTOC2
O:25|T:5|I:2
BLOCK
ENA_MULT
TRIP
PICKUP
OR
O:87|T:2.5|I:14
B1
B2
O
NSPTOC2_46-2_TRIP
NSPTOC2_46-2_TRIP
NSPTOC1_46-1_TRIP
NSPTOC1_46-1_TRIP
NSPTOC1_46-1_PICKUP
NSPTOC2_46-2_PICKUP
NSPTOC_TRI P
GUID-F3410D3C-843F-4124-B412-F32601AE0359 V1 EN
Figure 18: Negative-sequence overcurrent protection function
Three stages are provided for non-directional ground-fault protection. One stage is
provided for sensitive ground-fault protection.
1MAC109016-MB C Section 3
REF615 standard configurations
REF615 ANSI 49
Application Manual
To Next Page
Loading...
